CN111069756A - Electrode presss from both sides welding mechanism - Google Patents
Electrode presss from both sides welding mechanism Download PDFInfo
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- CN111069756A CN111069756A CN202010061414.0A CN202010061414A CN111069756A CN 111069756 A CN111069756 A CN 111069756A CN 202010061414 A CN202010061414 A CN 202010061414A CN 111069756 A CN111069756 A CN 111069756A
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- electrode
- welding
- upper electrode
- seat
- clamping
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- 238000003466 welding Methods 0.000 title claims abstract description 66
- 238000003825 pressing Methods 0.000 claims abstract description 30
- 238000006073 displacement reaction Methods 0.000 claims abstract description 23
- 238000013016 damping Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
- B23K11/115—Spot welding by means of two electrodes placed opposite one another on both sides of the welded parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
The invention relates to an electrode clamping and welding mechanism, which comprises a clamping and welding mechanism arranged on a rack and a positioning mechanism capable of clamping a workpiece, wherein the positioning mechanism corresponds to the clamping and welding mechanism; a welding groove is formed in the lower electrode seat, and at least one lower electrode is arranged in the welding groove; the rack is provided with a grading displacement mechanism, the grading displacement mechanism is connected with an upper electrode seat which is arranged on the rack in a sliding manner in a driving manner, and an upper electrode which can carry out grading pressing displacement relative to the lower electrode is arranged in the upper electrode seat; the grading displacement mechanism is internally provided with a pressing mechanism and a lifting device which can be flexibly pressed and separated, and the pressing mechanism is internally provided with an elastic pressing damping piece. The invention provides an electrode clamping and welding mechanism capable of flexibly clamping and welding the lapping part of a workpiece and a cable.
Description
Technical Field
The invention relates to the field of machining, mainly relates to the field of workpiece welding, and particularly relates to an electrode clamping and welding mechanism.
Background
The prior patent is as follows: a purple light tube electrode welding device and a welding method thereof (patent number: 201810750327.9) are disclosed, relating to the technical field of ultraviolet photoelectric tube manufacturing and comprising an upper base and a lower base, wherein a guide post is arranged between the upper base and the lower base, the bottom of the upper base is provided with an upper die, two sides of the upper die are provided with cathode sheet limiting grooves for placing cathode sheets, the bottom of the upper die is provided with anode sheet limiting grooves for placing anode sheets, the upper part of the lower base close to one side is provided with a fixing block, the lower base below the fixing block is provided with a guide groove, the other side of the lower base is provided with a slide groove corresponding to the guide groove, an insert block is arranged in the slide groove and the guide groove, and the central position of the lower base is provided with a cavity for placing a core column. The invention ensures that the spacing between the positive electrode and the negative electrode is consistent after welding, and the parallelism and the flatness are high; the relative positions of the welding angles of the anode sheet and the core column are consistent; when discharging between the cathode and the anode, the discharge is uniform, and the performance and the quality of the purple light tube are improved.
In the prior art, although fixed-point welding can be performed on a workpiece, the welding press-fit structure applies force to the welding position of the workpiece through direct press-fit of mechanical stress, and when a pressing damping force is lacked, the force is too large during press-fit welding, so that mechanical damage to the welding position of the workpiece is caused, the workpiece cannot return quickly during recovery, and meanwhile, the workpiece to be welded in an adjacent welding groove cannot be welded conveniently and effectively.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides the electrode clamping and welding mechanism which can clamp and weld the lap joint of the workpiece and the cable.
In order to achieve the purpose, the invention adopts the technical scheme that: an electrode clamping and welding mechanism comprises a clamping and welding mechanism arranged on a rack and a positioning mechanism capable of clamping a workpiece, wherein the positioning mechanism corresponds to the clamping and welding mechanism, and the clamping and welding mechanism comprises at least one pair of a lower electrode holder and an upper electrode holder which are arranged on the rack and can be opened and closed relatively; a welding groove is formed in the lower electrode seat, and at least one lower electrode is arranged in the welding groove; the rack is provided with a grading displacement mechanism, the grading displacement mechanism is connected with an upper electrode seat which is arranged on the rack in a sliding manner in a driving manner, and an upper electrode which can carry out grading pressing displacement relative to the lower electrode is arranged in the upper electrode seat; the grading displacement mechanism is internally provided with a pressing mechanism and a lifting device which can be flexibly pressed and separated, and the pressing mechanism is internally provided with an elastic pressing damping piece.
In a preferred embodiment of the invention, the grading displacement mechanism comprises a side shifting mechanism arranged on the rack and a mounting seat arranged on the rack in a sliding manner; the mounting seat is provided with a pressing mechanism, a lifting device and an upper electrode seat which is arranged on the mounting seat in a sliding manner; the upper electrode seat is in driving connection with the lifting device and corresponds to the pressing mechanism.
In a preferred embodiment of the invention, the pressing mechanism comprises an upper electrode pushing cylinder fixedly arranged on the upper part of the mounting seat, the upper electrode pushing cylinder is in driving connection with an auxiliary pushing block, and an elastic damping resetting piece is arranged between the electrode pushing cylinder and the auxiliary pushing block.
In a preferred embodiment of the present invention, the elastic pressing damping member includes a piston seat disposed between the electrode pushing cylinder and the auxiliary pushing block, a piston sleeve movably disposed in the piston seat, and an elastic member disposed between a top end of the piston sleeve and the piston seat.
In a preferred embodiment of the present invention, a piston post is inserted into the piston sleeve, one end of the piston post is fixedly disposed in the piston sleeve on the auxiliary pushing block, and the other end of the piston post is inserted through the elastic member and then inserted into the piston seat.
In a preferred embodiment of the present invention, the lifting device further includes an upper electrode lifting cylinder fixedly connected to the upper electrode base, and a driving end of the upper electrode lifting cylinder is drivingly connected to the mounting base.
In a preferred embodiment of the invention, the welding groove is internally provided with a wire dividing block, and both sides of the wire dividing block are respectively provided with a lower electrode.
In a preferred embodiment of the present invention, the positioning mechanism includes at least one pair of clamping blocks respectively disposed at two sides of the wire distributing block, and the clamping blocks can be opened and closed reciprocally with respect to the wire distributing block.
In a preferred embodiment of the invention, the frame is provided with a lifting mechanism, the lifting mechanism is provided with a first mounting plate, and the first mounting plate is provided with the clamping and welding mechanism, the positioning mechanism and the grading displacement mechanism.
The invention solves the defects existing in the background technology, and has the beneficial effects that:
the invention provides an electrode clamping and welding mechanism capable of clamping and welding a lap joint of a workpiece and a cable, which is particularly suitable for welding the lap joint of the workpiece and a Y-shaped cable joint.
The grading displacement mechanism drives the upper electrode to move laterally and vertically, so that welding spots can be flexibly, step-by-step and clamped and welded. And the cable joint which is overlapped with the pin of the workpiece and is used for clamping and positioning the workpiece partially. The welding process is convenient and stable.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the front view of the present invention mounted on a rack;
FIG. 2 is a schematic elevation view of the present invention;
FIG. 3 is a side view of the first embodiment of the present invention;
FIG. 4 is a side view of the present invention;
wherein, 1-a frame, 2-a lifting mechanism, 21-a lifting cylinder, 22-a lifting mounting plate, 23-a lifting column, 24-a mounting plate I, 3-a positioning mechanism, 4-a lower electrode, 41-a lower electrode seat, 42-a welding groove, 43-a branching block, 5-an upper electrode, 6-a grading displacement mechanism, 61-a pressing mechanism, 610-an upper electrode pushing cylinder, 611-a mounting seat, 612-a piston column, 613-an elastic pressing damping piece, 614-a positioning rod, 615-a mounting block, 616-an upper electrode lifting cylinder, 617-an upper electrode seat, 618-a piston sleeve, 62-a lateral movement mechanism, 621-a lateral movement cylinder, 622-a lateral movement push rod, 623-a lateral movement mounting plate, 624-a limiting rod and 625-a lateral movement slide rail, 626-mounting a vertical plate.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the invention in a schematic manner, and thus show only the constituents relevant to the invention.
As shown in fig. 1 to 4, the present embodiment discloses an electrode clamping and welding mechanism, which includes a clamping and welding mechanism disposed on a frame 1, and a positioning mechanism 3 capable of clamping a workpiece, wherein the clamping and welding mechanism corresponds to the positioning mechanism 3. The clamping and welding mechanism comprises at least one pair of lower electrode holder 4 and upper electrode holder 5 which can be oppositely opened and closed.
Be provided with lifting mechanism 2 in the frame 1, the fixed setting in frame 1 of lifting cylinder 21 one end in the lifting mechanism 2, the lift post 23 that the drive set up on the lifting cylinder 21, the supporting connection has lifting mounting panel 22 on the lift post 23, be provided with mounting panel 24 on the lifting mounting panel 22, one side of mounting panel 24 is provided with installation riser 626, the location mechanism 3 that is used for the centre gripping location work piece that is located installation riser 626 the place ahead of mounting panel 24 is provided with, location mechanism 3 includes at least one pair of clamp splice that opens and shuts relatively, the both sides of clamp splice are provided with the centre gripping cylinder of ejection clamp splice respectively, the clamp splice slides the horizontal slide rail that sets up between the centre gripping cylinder of relative setting, be provided with down electrode holder 41 on the horizontal slide rail between the clamp splice of relative setting, be provided with welding groove 42 in the down electrode holder 41, be provided with separated time piece 43 in the welding groove 42, be provided with bottom electrode 4 in the welding groove.
A grading displacement mechanism 6 is arranged on the mounting vertical plate 616, and the grading displacement mechanism 6 comprises a side shifting mechanism 62 arranged on a mounting vertical plate 626 and a mounting seat 611 arranged on the machine frame 1 in a sliding manner; the mounting seat 611 is provided with a pressing mechanism 61 and a lifting device, and an upper electrode seat 617 slidably arranged on the mounting seat 611; the upper electrode holder 617 is drivingly connected to the lifting device, and the upper electrode holder 617 corresponds to the pressing mechanism 61.
Specifically, the side-shifting mechanism 62 comprises a side-shifting mounting plate 623 arranged on one side of a mounting vertical plate 626, a side-shifting cylinder 621 is arranged on the side-shifting mounting plate 623, the side-shifting cylinder 621 is in driving connection with a transverse side-shifting push rod 622, and the transverse side-shifting push rod 622 is in driving connection with a mounting seat 611 arranged on a side-shifting slide rail 625 of the mounting vertical plate 626 in a sliding manner.
Specifically, the pressing mechanism 61 includes an upper electrode pushing cylinder 610 fixedly disposed on the upper portion of the mounting seat 611, the upper electrode pushing cylinder 610 is connected to an auxiliary pushing block in a driving manner, and an elastic damping resetting member 613 is disposed between the electrode pushing cylinder 610 and the auxiliary pushing block. Further, the auxiliary pushing block 613 may be fixedly connected to the upper electrode holder 617 or may be relatively movably abutted. In this application, the auxiliary pushing block 613 is fixedly connected to the upper electrode holder 617. The elastic pressing damping element 613 includes a piston seat disposed between the electrode pushing cylinder 610 and the auxiliary pushing block 613, a piston sleeve 618 is movably disposed in the piston seat, and an elastic element is disposed between the top end of the piston sleeve 618 and the piston seat. A piston column 612 penetrates through the piston sleeve 618, one end of the piston column 612 is fixedly arranged in the piston sleeve 618 on the auxiliary ejector block, and the other end of the piston column 612 penetrates through the elastic element and then penetrates through the piston seat. The elastic member in the present invention is a spring.
In a preferred embodiment of the present invention, the lifting device further includes an upper electrode lifting cylinder 616 fixedly connected to the upper electrode base 617, and a driving end of the upper electrode lifting cylinder 616 is drivingly connected to the mounting base 611. Specifically, the mounting seat 611 is provided with a pair of longitudinal sliding rails arranged in parallel, and the longitudinal sliding rails are slidably provided with an upper electrode seat 617, an auxiliary ejector block 613, and a piston seat.
The principle of the invention is as follows:
as shown in fig. 1 to 4, the overlapping portion of the lead pin of the workpiece and the lead end of the cable is correspondingly placed into the welding grooves 42 at both sides of the wire dividing block 43, so that the lead pin of the workpiece is in contact with the lower electrode 5. The side-shifting mechanism 62 in the grading displacement mechanism 6 drives the pushing mounting seat 611 to slide to the position above the lower electrode seat 41 in the welding groove 42 along the side-shifting sliding rail 625, during the transverse displacement, the upper electrode lifting cylinder 616 in the grading displacement mechanism 6 is a single-acting cylinder, and through the characteristics of the single-acting cylinder of the upper electrode lifting cylinder 616, the upper electrode seat 617 is lifted through the upper electrode lifting cylinder 616 during the pushing.
When welding is needed, the upper electrode ejection cylinder 610 of the downward pressing mechanism 61 drives the auxiliary ejection block to press downward, and the piston seat moves downward along the longitudinal slide rail on the mounting seat 611. The piston seat movably sleeved outside the piston sleeve 618 acts downwards, the piston sleeve 618 extrudes the elastic piece, the elastic piece is stressed and deformed, and the generated downward damping force realizes flexible downward pressing. And the piston post 612, which extends through the piston sleeve 618 and the elastomeric member, extends through the piston seat. The upper electrode pushing cylinder 610 presses downward until the auxiliary pushing block connected to the upper electrode pushing cylinder is pressed against the upper electrode seat 617 on the longitudinal slide rail slidably disposed on the mounting seat 611. The upper electrode pushing cylinder 610 continuously presses downward, and the upper electrode lifting cylinder 616, which is in driving connection with the upper electrode base 617, contracts reversely by the external pressure to press the upper electrode base 617, so that the upper electrode base 617 acts downward until the upper electrode 5 of the upper electrode base 617, and the upper electrode 5 of the upper electrode base 617 corresponding to the lower electrode 4 contacts with the lap joint end of the workpiece pin and the cable lead.
The upper electrode 5 and the lower electrode 4 are respectively connected with the positive electrode and the negative electrode of a power supply through leads, the leads can be low-resistance leads such as copper wires, and the welding part of the product is clamped in the welding groove 42. The positive electrode and the negative electrode connected with the upper electrode 5 and the lower electrode 4 are connected, the upper electrode 5 and the lower electrode 4 form a loop, and the resistance values of the contact parts of the upper electrode 5 and the lower electrode 4 and a workpiece are large, so that after a current loop is formed, the contact parts of the upper electrode 5 and the lower electrode 4 and a product can rapidly generate high temperature, and the lap joint ends of the workpiece pin and the cable lead are melted at high temperature to be welded. After the lap joint end of the workpiece pin and the cable lead on one side is welded, the elastic pressing damping piece 613 drives the upper electrode ejection cylinder 610 to accelerate and drive the auxiliary ejection block to reset. The upper electrode lift cylinder 616 pushes the upper electrode holder 617 to be lifted. The lateral moving cylinder 621 pushes the upper electrode base 617 again, moves the adjacent lower electrode 4, and presses the lower electrode to realize clamping welding, and the clamping welding is performed in sequence and circularly.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. An electrode clamping and welding mechanism comprises a clamping and welding mechanism arranged on a rack and a positioning mechanism capable of clamping a workpiece, wherein the positioning mechanism corresponds to the clamping and welding mechanism, and the clamping and welding mechanism comprises at least one pair of a lower electrode holder and an upper electrode holder which are arranged on the rack and can be opened and closed relatively; the method is characterized in that: a welding groove is formed in the lower electrode seat, and at least one lower electrode is arranged in the welding groove; the rack is provided with a grading displacement mechanism, the grading displacement mechanism is connected with an upper electrode seat which is arranged on the rack in a sliding manner in a driving manner, and an upper electrode which can carry out grading pressing displacement relative to the lower electrode is arranged in the upper electrode seat; the grading displacement mechanism is internally provided with a pressing mechanism and a lifting device which can be flexibly pressed and separated, and the pressing mechanism is internally provided with an elastic pressing damping piece.
2. The electrode nip welding mechanism of claim 1, wherein: the grading displacement mechanism comprises a side shifting mechanism arranged on the rack and a mounting seat arranged on the rack in a sliding manner; the mounting seat is provided with a pressing mechanism, a lifting device and an upper electrode seat which is arranged on the mounting seat in a sliding manner; the upper electrode seat is in driving connection with the lifting device and corresponds to the pressing mechanism.
3. The electrode nip welding mechanism of claim 2, wherein: the pressing mechanism comprises an upper electrode ejection cylinder fixedly arranged on the upper portion of the mounting seat, the upper electrode ejection cylinder is in driving connection with an auxiliary ejection block, and an elastic damping reset piece is arranged between the electrode ejection cylinder and the auxiliary ejection block.
4. The electrode nip welding mechanism of claim 3, wherein: the elastic pressing damping part comprises a piston seat arranged between the electrode ejection cylinder and the auxiliary ejection block, a piston sleeve is movably arranged in the piston seat in a penetrating mode, and an elastic part is arranged between the top end of the piston sleeve and the piston seat.
5. The electrode nip welding mechanism of claim 4, wherein: a piston column penetrates through the piston sleeve, one end of the piston column is fixedly arranged in the piston sleeve on the auxiliary ejection block, and the other end of the piston column penetrates through the elastic piece and then penetrates out of the piston seat.
6. The electrode nip welding mechanism of claim 1, wherein: the lifting device further comprises an upper electrode lifting cylinder fixedly connected with the upper electrode base, and the driving end of the upper electrode lifting cylinder is in driving connection with the mounting base.
7. The electrode nip welding mechanism of claim 1, wherein: the welding groove is internally provided with a wire distributing block, and two sides of the wire distributing block are respectively provided with a lower electrode.
8. The electrode nip welding mechanism of claim 1, wherein: the positioning mechanism comprises at least one pair of clamping blocks which are respectively arranged on two sides of the wire distributing block, and the clamping blocks can be opened and closed in a reciprocating mode relative to the wire distributing block.
9. The electrode nip welding mechanism of claim 1, wherein: the lifting mechanism is arranged on the rack, the first mounting plate is arranged on the lifting mechanism, and the first mounting plate is provided with the clamp welding mechanism, the positioning mechanism and the grading displacement mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010061414.0A CN111069756A (en) | 2020-01-19 | 2020-01-19 | Electrode presss from both sides welding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010061414.0A CN111069756A (en) | 2020-01-19 | 2020-01-19 | Electrode presss from both sides welding mechanism |
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|---|---|
| CN111069756A true CN111069756A (en) | 2020-04-28 |
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| CN202010061414.0A Pending CN111069756A (en) | 2020-01-19 | 2020-01-19 | Electrode presss from both sides welding mechanism |
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| CN208772701U (en) * | 2018-07-12 | 2019-04-23 | 东莞市中一合金科技有限公司 | A kind of welder |
| CN208991948U (en) * | 2018-08-15 | 2019-06-18 | 上海宝鄂实业有限公司 | A kind of novel pneumatic mash welder |
| CN110421507A (en) * | 2019-08-27 | 2019-11-08 | 苏州工业职业技术学院 | It is a kind of for clamping the wire clamp tooling of electronic device |
| CN212043098U (en) * | 2020-01-19 | 2020-12-01 | 苏州工业职业技术学院 | Electrode presss from both sides welding mechanism |
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